Quantifying the Effect of Polyethylene Molecular Weight, Comonomer Fraction, and Comonomer Type on High-Temperature Thermal Gradient Interaction Chromatography

被引：3

作者：

Badri, Amirreza ^{[1
]}

Mehdiabadi, Saeid ^{[1
]}

Soares, Joao B. P. ^{[1
]}

机构：

[1] Univ Alberta, Dept Chem & Mat Engn, Edmonton, AB T6G 1H9, Canada

来源：

MACROMOLECULES | 2021年 / 54卷 / 23期

关键词：

CRYSTALLIZATION ANALYSIS FRACTIONATION; ELUTION FRACTIONATION; SEPARATION; POLYPROPYLENE; ADSORPTION;

D O I：

10.1021/acs.macromol.1c01812

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

High-temperature thermal gradient interaction chromatography (HT-TGIC) can be used to measure the chemical composition distribution of ethylene/alpha-olefin copolymers using a column packed with porous graphitic carbon. It is generally assumed that polymer molecular weight plays a secondary role in HT-TGIC fractionation, but this assumption is incorrect for lower-molecular-weight polymers. In this article, we developed a general calibration curve to quantify the effect of polymer molecular weight, alpha-olefin fraction, and type (1-hexene, 1-octene, and 1-decene) on HT-TGIC peak temperatures and discussed its implications on converting HT-TGIC profiles into chemical composition distributions.

引用

页码：10883 / 10890

页数：8

共 19 条

[1] A New Technique for Characterizing Comonomer Distribution in Polyolefins: High-Temperature Thermal Gradient Interaction Chromatography (HT-TGIC)
Cong, Rongjuan
deGroot, Willem
Parrott, Al
Yau, Wallace
Hazlitt, Lonnie
Brown, Ray
Miller, Matt
Zhou, Zhe
MACROMOLECULES, 2011, 44 (08) : 3062 - 3072
[2] Effect of Solvent Type on High-Temperature Thermal Gradient Interaction Chromatography of Polyethylene and Ethylene-1-Octene Copolymers
Alghyamah, Abdulaziz
Soares, Joao B. P.
MACROMOLECULAR CHEMISTRY AND PHYSICS, 2015, 216 (01) : 38 - 48
[3] Effect of Column Type on Polyolefin Fractionation by High-Temperature Thermal Gradient Interaction Chromatography
Al-Khazaal, Abdulaal Z.
Soares, Joao B. P.
MACROMOLECULAR SYMPOSIA, 2015, 356 (01) : 10 - 18
[4] Separation of Polyolefins Based on Comonomer Content Using High-Temperature Gradient Adsorption Liquid Chromatography with a Graphitic Carbon Column
Miller, Matthew D.
deGroot, A. Willem
Lyons, John W.
Van Damme, Freddy A.
Winniford, Bill L.
JOURNAL OF APPLIED POLYMER SCIENCE, 2012, 123 (02) : 1238 - 1244
[5] Fractionation of Ethylene/1-Octene Copolymers by High-Temperature Thermal Gradient Interaction Chromatography
Alghyamah, Abdulaziz
Soares, Joao B. P.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2014, 53 (22) : 9228 - 9235
[6] Joint Effect of Poly(ethyhlene-co-1-octene) Chain Length and 1-Octene Fraction on High-Temperature Thermal Gradient Interaction Chromatography
Al-Khazaal, Abdulaal Z.
Soares, Joao B. P.
MACROMOLECULAR CHEMISTRY AND PHYSICS, 2017, 218 (01)
[7] Characterization of Ethylene/α-Olefin Copolymers Using High-Temperature Thermal Gradient Interaction Chromatography
Al-Khazaal, Abdulaal Z.
Soares, Joao B. P.
MACROMOLECULAR CHEMISTRY AND PHYSICS, 2014, 215 (05) : 465 - 475
[8] Improved chemical composition separation of ethylene-propylene random copolymers by high-temperature solvent gradient interaction chromatography
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ANALYTICAL AND BIOANALYTICAL CHEMISTRY, 2013, 405 (26) : 8607 - 8614
[9] Advances in High-Temperature Interaction Chromatography of Polyolefins: A Tutorial on Solvent and Temperature Gradient
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ANALYTICAL CHEMISTRY, 2024, 96 (46) : 18311 - 18321
[10] Studying the Interactions of Polyethylene with Graphite in the Presence of Solvent by High Temperature Thermal Gradient Interactive Chromatography, Thermal Gradient Nuclear Magnetic Resonance Spectroscopy, and Solution Differential Scanning Calorimetry
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